Fuel oil blending additive and preparation method thereof

A technology of additives and fuel oil, which is applied in the direction of fuel additives, fuels, liquid carbon-containing fuels, etc., and can solve problems such as insufficient clarity, low flash point, and unstable operating conditions of compression ignition engines

Inactive Publication Date: 2014-01-15
刘粤荣 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 2. The problem of low flash point of methanol diesel
[0009] The flash point of methanol is low (11-12°C), which is far from the flash point of diesel (55°C). After methanol and diesel are mixed, the resulting blended fuel oil is still easy to catch fire at low temperature, which is easy to burn due to poor combustion. Synchronization causes unstable working conditions of the compression ignition engine, and also brings unsafe transportation and storage
[0010] 3. The problem of low cetane number of methanol diesel
[0012] 4. The problem of emulsification and stratification of methanol diesel and water
These formulas have solved the problem of mutual solubility of methanol and diesel to a certain extent, but there are still problems such as insufficient mutual solubility, easy layering, insufficient clarity, or defects in cost performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Additive 1 includes the following components:

[0060] 20 parts by weight of emulsifier, wherein 15 parts by weight of SP-80 emulsifier, 5 parts by weight of OP-10 emulsifier;

[0061] 21 parts by weight of pH buffering agent, including 11 parts by weight of sodium petroleum sulfonate and 10 parts by weight of barium petroleum sulfonate;

[0062] Tricresyl phosphate, 10 parts by weight;

[0063] Isooctyl nitrate, 6 parts by weight;

[0064] As an emulsifying dispersant, 1.0 parts by weight of dimethyl succinate and 1.0 parts by weight of T161A (polyisobutenyl succinimide) products of the polyisobutylene derivative series are combined;

[0065] Antioxidant, use N-phenyl-α-naphthylamine (T531) and 2,6-di-tert-butyl-α-dimethylamino-p-cresol to combine with 0.5 parts by weight each;

[0066] Isobutanol, 20 parts by weight;

[0067] 20 parts by weight of organic solvent, use 10 parts by weight of toluene and 10 parts by weight of dimethyl carbonate (DMC) to combine;

[...

Embodiment 2

[0075] Additive 2 formulation includes the following components:

[0076] 20 parts by weight of emulsifier, wherein 15 parts by weight of SP-80 emulsifier, 5 parts by weight of OP-10 emulsifier;

[0077] 30 parts by weight of pH buffering agent, including 15 parts by weight of sodium petroleum sulfonate and 15 parts by weight of barium petroleum sulfonate;

[0078] Tricresyl phosphate, 9 parts by weight;

[0079] Isooctyl nitrate, 6.2 parts by weight;

[0080] As an emulsifying dispersant, use 0.8 parts by weight of bis-succinimide and 1.2 parts by weight of the T165A product of the polyisobutylene derivative series. Among them, bis-succinimide, also known as double-hung, is a product developed in the 1960s. A kind of oil product dispersant, the bis-succinimide that the present invention selects is the commercially available auxiliary emulsifying dispersant that meets the SH / T 0623-95 standard;

[0081] As an antioxidant, 0.5 parts by weight of zinc dialkyldithiophosphate (...

Embodiment 3

[0086] The Additive 3 formulation includes the following components:

[0087] 20 parts by weight of emulsifier, wherein 10 parts by weight of SP-80 emulsifier, 10 parts by weight of TWEEN-60 emulsifier;

[0088] 20 parts by weight of pH buffering agent, including 10 parts by weight of sodium petroleum sulfonate and 10 parts by weight of barium petroleum sulfonate;

[0089] Tricresyl phosphate, 11 parts by weight;

[0090] Isooctyl nitrate, 6 parts by weight;

[0091] Auxiliary emulsifying dispersant, use 1.2 parts by weight of polyolefin succinate, 0.8 parts by weight of T155A product of polyisobutylene derivative series to combine;

[0092] As an antioxidant, 0.5 parts by weight of tolylbenzotriazole sodium salt and 0.5 parts by weight of octyl / butyl mixed alkyl-substituted diphenylamine (T534) were used to combine.

[0093] Isobutanol, 22 parts by weight;

[0094] 18 parts by weight of organic solvent, combined with 9 parts by weight of ethylbenzene and 9 parts by weight...

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Abstract

The invention provides an additive for blending fuel oil. The additive comprises an emulsifier formed by complexing a Span-series emulsifier and a Tween-series (or OP-10) emulsifier, a pH value buffering pair formed by combination of sodium petroleum sulfonate and barium petroleum sulfonate, tricresyl phosphate, isooctyl nitrate, a co-emulsifying dispersing agent, an antioxidant, isobutyl alcohol and an organic solvent. The additive is prepared according to certain content and a certain preparation method. The additive can be used for blending methanol, methanol-oleic acid mixture, and other methanol modified complex into a biological fuel oil, and can be used for further blending biodiesel. The blended biological fuel oil and the biodiesel have the advantages of high cetane number, high flash point, low pour point, low cold filter plugging point, low corrosivity, low emission, and low cost.

Description

technical field [0001] The invention relates to the field of fuel oil, in particular to a combined additive formulation and a preparation method for preparing biofuel oil and biofuel compound diesel oil by using methanol and its modified complex. Background technique [0002] my country is short of oil and gas, relatively rich in coal resources, and has a wide source of coal-based alcohol ether fuels. Replacing petroleum resources with superior alcohol ether resources, or using alcohol ether fuels and petroleum mixtures to replace petroleum resources, is not only beneficial to the ecological environment, but also promotes the economy. sustainable development, and at the same time drive the development of related industries such as energy, chemical industry and automobile, which is conducive to the adjustment of industrial structure and the creation of new economic growth points. [0003] Many countries have promoted ethanol gasoline, and the amount of ethanol added to gasolin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/26C10L1/23C10L1/182C10L1/19C10L1/195C10L1/2383C10L1/223C10L1/224C10L1/192C10L1/222C10L1/24C10L10/00
Inventor 刘粤荣陈方
Owner 刘粤荣
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